why are we dropping the products of 2 and 5?
The products of 2 and 5 are dropped because it is not part of the options. Since you mentioned dropping, I assume you are referring to the Multiple Choice Questions. Here's a tip: When solving MCQs, it is important to carefully read the question stem and each option to identify the correct answer. It is also important to eliminate the wrong options based on the information given in the question stem and options. Eliminating the wrong options can help you narrow down your choices and increase your chances of answering the question correctly. Good luck with your exams!